Event details subject to change. Please confirm all information via event website.
Canceled Rising Phoenix 5K
The Rising Phoenix Festival & 5K Run/Walk for Suicide Prevention is Combat Recovery Foundation's first community awareness event. Runners, walkers, dogs and participants of all ages, volunteers, and spectators will gather together in celebration of life. The 5K provides an important sense of community for suicide loss and trauma survivors and creates a space for […]
AAP Friends of Children Fund 5K
Start your day with fresh air, movement, and unbeatable views at the AAP Friends of Children Fund 5K Fun Run & Walk! Set against the stunning backdrop of Sloan’s Lake Park, participants will enjoy a scenic route featuring sparkling lake views, majestic mountain peaks, and the city skyline in one picturesque loop. Whether you’re running […]
Not So Flatt Breast Cancer Awareness Run
Join us for the Not So Flatt Breast Cancer Awareness Walk and Run. In 2021, my father lost his fight against breast cancer so we have put together an annual race in his name to support everyone who has fought and is still fighting breast cancer. His last name was Flatt and his battle wasn't […]
Paws In The Park 5K
Celebrate a summer of fund-racing with us at Paws In The Park 5k Race and Pet Walk! Enjoy live music, breakfast, and mimosas. See you there!
Gold Hill Classic
Nestled in the canyons of Boulder County, Colorado the Gold Hill Classic 30k launches runners into a thrilling mix of grit, grind, and gorgeous mountain views. Wind your way through soul-shaking climbs, fast-flowing descents, and high-altitude rollers. With every turn, the course serves up sweeping vistas, winding dirt roads, and that pure, untamed energy only found […]
Boulder XC Series I
EVENTS 9:00AM 10 YEARS & UNDER - 1K 9:15AM 16 YEARS & UNDER - 3K (1 x 1K + 1 x 2K) 9:40AM OPEN - 5K (1 x 1K + 2 x 2K)
Canceled bRUNch Run 5K/10K
The bRUNch Run ™ is back! Join us in Denver for the most epic and delicious 5K + 10K run/walk. (There is also the 15K)! Think road race meets food festival... join us for a morning of cheering runners on, finish line high fives and hugs, tears of joy, the only race with a scented […]
Run Fur Fun Spooktacular 5K
Our Run Fur Fun 5k starts and ends at Odell Brewing Company in Fort Collins. Don't forget to wear a costume for the costume contest, enjoy the eclectic tunes of The Sugar Britches, and have lots of fun with fellow animal-and beer-loving racers. Members of NOCO Clown Club will be there making balloon animals for the youngsters […]
Canceled Run With The Panthers 8K
Come join us at 8,410' for a fun and fast 8,410meter road race! This is a fun and welcoming local race benefiting the Nederland Middle/Senior High School PTA. This is an out and back course from the high school to the historic townsite of Eldora and back, all along the Middle Boulder Creek. Watch out […]
Team Hope 5K
The Rocky Mountain Chapter of the Huntington’s Disease Society of America (HDSA) will host the annual Heroes and Villains Team Hope Walk and 5K Run at Stapleton Central Park. Wear your favorite costume! All proceeds support HDSA’s mission to improve the lives of people affected by Huntington’s disease (HD) and their families.
Veterans Services Freedom 5K
This year UNC Veterans Services is hosting the UNC Freedom 5k. The run is a 3.1-mile route of obstacle-free running that is open to walkers, runners, ruckers, children, strollers, and 4-legged furry friends! Bring a heavy ruck if you want to show off your strength. The event will begin promptly at 8:00 AM. There will […]
Colleen De Reuck XC Classic
The Colleen De Reuck Cross Country Classic is a XC meet honoring one of the world's greatest ever distance athletes and Boulder local, Colleen De Reuck. Every year we will celebrate Colleen’s career, her devotion to the sport of running, and promotion of health and fitness, while also acknowledging a different Boulder Olympian every year.
Trails 5K
Our mission is to bring awareness and support the struggles of mental health of youth, teens, adults and families in our community. Many battles are related to mental health including bullying, depression, anxiety, addiction, identity, inclusion, trauma, abuse. Trails and Arapahoe Park & Recreation District are partnering with Aurora Youth Options, Aurora Mental Health & […]
Sole Mates 5K
Shoes & Brews along with our "Sole Mates" Left Hand Brewing and Hoka present the 9th edition of our fall race series. With a focus on community, running, beer and high fives we put this event on as a celebration. A little backstory on our friends and Sole Mates - Left Hand Brewing ..... When Shoes […]
Girls on the Run 5K
Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the author of her story. So grab your cheer gear, noisemakers and spirit fingers and join us for this celebratory event! Girls on the Run 5K […]
Feet for Justice 5K/10K
Join us for the Feet for Justice Run IN-PERSON this November! The Feet for Justice Run is a family-friendly event in Denver that brings together the community members, businesses, and non-profits to take a stand against human trafficking. Choose between the 10K or 5K in the beautiful City Park. 100% of your registration fee goes […]
Dragon Dash 5K
This fun community oriented walk for all levels of fitness and all ages in support of the Isabella Bird Community School, a ECE-5th Grade School in Denver, CO.
Girls on the Run 5K
Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the author of her story. So grab your cheer gear, noisemakers and spirit fingers and join us for this celebratory event! Girls on the Run 5K […]
BINGO! Trail Runs
This event is an HPRS "Trail Party," designed to promote community and provide runners of all abilities an opportunity to enjoy trail and ultra running in a fun, stress free, environment. The Bingo! Trail Runs is a one-of-a-kind event, where each runner continues to run loops until they obtain a Bingo on their bib. A […]
Alamosa Veterans Memorial Park 5K/10K
A salute to Vets on Veteran's Day Weekend to raise funds for Alamosa's Veterans Memorial Park. Join us for the 1st Annual Veterans Memorial Park Race. 5k and 10k race options are available. 10k race repeats 5k lap twice. The race starts and ends at the Alamosa National Guard Readiness Center. The race course runs […]
Girls on the Run 5K
Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the author of her story. So grab your cheer gear, noisemakers and spirit fingers and join us for this celebratory event!
Canya Cañon Trail Race
We are returning to the original 4-mile course that runs the length of the Columbine Trail. This course was last run in 2014. Participants will start at Starsmore and run up Columbine Trail to the Powell parking lot. Adventures Out West will shuttle participants back to Starsmore. Well behaved and leashed pets are allowed! However, […]
Team Boss CO Mile + 2 Mile 4 REAL
TEAM BOSS MILE & 2 Mile 4 Real Are Back! It's time to put your cross country fitness to the test on the track and see how fast you can run one mile, two miles or 400m! This event will be held under the lights at Niwot High School's track on November 12th, from 5-8pm! […]
Leyden Rock Turkey Trot
Join us for the annual Leyden Rock Turkey Trot 5K on November 16th at 9 AM, where fun and community come together! This year, we’re excited to introduce individual timers for every runner—each registrant will receive a timed bib for live-action tracking, so you can compete with friends or beat your personal best! & your […]
Tava Waters Turkey Trot 5K
Join TAVA Waters' Fitness for the annual Turkey Trot 5K! Meet at the Capitol round-a-bout!
The Wash Park Circuit
If you're a runner in Denver, then you know Washington Park. Whether you've run there once, or you know every inch of the loop, "Wash" is the undisputed center of the Mile High City's running scene. On November 17, we will see who is the champion of Wash Park. One lap as fast as you […]
Brighton Turkey Trot
The annual Brighton Turkey Trot 5K is back at the Brighton Recreation Center! This is the race's 37th anniversary. On November 20, the Saturday before Thanksgiving, start your day with an amazing and fun race.
Turkey-Donut Predict Run
Just you wait, because this isn't your ol' run-of-the-mill 5k. Runners have to estimate their finishing time prior to the start; we don't allow time keeping devices of any kind. The top 5 people that come closest to their estimate win. So just because you're fast doesn't mean you'll win this one. The race is […]
Ball Aerospace Turkey Trot
Bailey Turkey Trot
Come join us for this annual family tradition held on Thanksgiving day (Thursday, November 24th) right here in beautiful Bailey, Colorado. Although this event is still a race, we encourage all walkers, joggers, and runners of all ages and skill levels to join us for a morning filled with family & fun at one of […]
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